see user list linux code example
Example 1: list users in linux
cat /etc/passwdExample 2: users list linux
cut -d: -f1 /etc/passwd
or
cat /etc/passwdExample 3: get users shell
getent passwd $LOGNAME | cut -d: -f7cat /etc/passwdcut -d: -f1 /etc/passwd
or
cat /etc/passwdgetent passwd $LOGNAME | cut -d: -f7